Sheet rack



FIG. 1 is a front perspective view of the sheet rack;

FIG. 2 is a left side elevational view of the sheet rack of FIG. 1;

FIG. 3 is a right side elevational view of the sheet rack of FIG. 1;

FIG. 4 is a front elevational view of the sheet rack of FIG. 1;

FIG. 5 is a rear elevational view of the sheet rack of FIG. 1;

FIG. 6 is a top plan view of the sheet rack of FIG. 1; and,

FIG. 7 is a bottom plan view of the sheet rack of FIG. 1.

The broken line shown in the drawings is included for the purpose of illustrating environment and forms no part of the claimed design. 

The ornamental design for a sheet rack, as shown and described. 